topic Re: Error 257 in Nest Thermostats

Error 257

Olgarodrigues19 — Sun, 31 Oct 2021 02:47:52 GMT

I am setting up the thermostat and it keeps saying E257. Can't find any info on this code

Re: Error 257

lkmacvicar — Sun, 31 Oct 2021 02:57:52 GMT

You need a "C" (common) wire that has constant (low) voltage from your heating system to the thermostat.

Re: Error 257

Jake — Wed, 22 Dec 2021 19:23:03 GMT

Hey Olgarodrigues19,

Sorry for the late reply. I wanted to follow up and ensure you are good to go. Please let me know if you are still having any trouble from here, as I would be happy to take a closer look and assist you further.

Best regards,
Jake

Re: Error 257

Jake — Mon, 27 Dec 2021 20:35:51 GMT

Hey Olgarodrigues19,

I want to ensure you are good to go, and everything is working properly. Please let me know if you are still having trouble, as I will be locking the thread in 24 hours due to inactivity.

Best regards,
Jake

Re: Error 257

Jake — Tue, 28 Dec 2021 20:09:55 GMT

Hey all,

It has been a few days since the last reply, and I am going to lock the thread at this time. If you have any questions, please feel free to create a new post.

Best regards,
Jake